Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a média de alguém com mais de 19 wickets e menos de 16 partidas?
 ###Tabelas: CREATE TABLE newfoundland_and_labrador_-_7_seats (newfoundland_and_labrador_-_7_seats_id AUTO_INCREMENT PRIMARY KEY, Riding VARCHAR, Candidate's Name VARCHAR, Gender VARCHAR, Residence VARCHAR, Occupation VARCHAR, Votes INT, Rank VARCHAR) CREATE TABLE passenger_and_express_train_locomotives (passenger_and_express_train_locomotives_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Railway number(s) VARCHAR, DRG number(s) VARCHAR, Quantity INT, Year(s) of manufacture VARCHAR, Axle arrangement VARCHAR) CREATE TABLE 1948 (1948_id AUTO_INCREMENT PRIMARY KEY, Opposing Teams VARCHAR, Against INT, Date VARCHAR, Venue VARCHAR, Status VARCHAR) CREATE TABLE charleston_southern_vs_fbs_schools (charleston_southern_vs_fbs_schools_id AUTO_INCREMENT PRIMARY KEY, Year INT, FBS Opponent VARCHAR, Result VARCHAR, Opponents Conference VARCHAR, Opponents Head Coach VARCHAR, Charleston Southerns Head Coach VARCHAR) CREATE TABLE most_wickets (most_wickets_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Team VARCHAR, Matches INT, Overs INT, Wickets INT, Economy Rate INT, Average INT, Strike Rate INT, Best Bowling VARCHAR)  
SELECT AVG Average FROM most_wickets WHERE Wickets > 19 AND Matches < 16